Hopper



FIG. 1 is a top front side perspective view of a hopper showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a sectional view taken on the plane 3-3 in FIG. 2;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is an enlarged view of a portion of FIG. 2; and,

FIG. 7 is an enlargement of a portion of FIG. 3.

Features shown in broken lines form no part of the design. 

The ornamental design for a hopper, as shown and described. 